The sides of right-angled triangles are labelled opposite, hypotenuse and adjacent. Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is the ...

Most trigonometry students look at triangles on a flat surface. However, people from ancient astronomers to modern navigators calculated the arc lengths and angles of triangles on a sphere. They used ...

Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing angle in a right-angled triangle when two sides are known. An understanding of the three ...

“We all rely on triangles to keep our modern world ticking along,” according to this disappointing paean. Parker (Humble Pi), a comedian and former math teacher who runs the Stand-up Maths YouTube ...

In one of your math classes, you might have been taught that geometry and trigonometry were products of the ancient Greeks. That's not entirely accurate, as a new discovery proves that both were ...